Stewart's Tax Troubles, Greenfield's Baby

• It looks like mischief runs in the family. Martha's daughter Alexis has been forced to pay $990,000 in back taxes and a $110,000 fine to the IRS, although she's blaming her accountant for the "mix-up." [NYP]
• Casey Greenfield gave birth to a baby boy the other day, but she still isn't saying who the father might be. [P6]
• Lindsay Lohan got a "post-breakup makeover" consisting of a new hair color and a new tattoo, in case you're keeping track. [People, NYP]
Jennifer Lopez has so many wigs, she has an entire room devoted to them. Or so says Star magazine. [Star]

• Kelly Killoren Bensimon and Bethenny Frankel are still fighting. [P6]
• "Insiders" say Billy Joel and wife Katie Lee have been on the outs for a while, since they're rarely together and live in separate homes. [NYDN]
Bruce Springsteen's camp isn't denying reports that he had an affair with a married woman, although they aren't confirming them either. [NYP]
• Caught on camera: Woody Harrelson attacked a photographer outside LaGuardia airport yesterday. [TMZ]
• Madonna has enlisted the Malawi Human Rights Commission to assist her with her adoption case. Also, she may be planning to build a home there. [People, Sun]
Mariah Carey and Nick Cannon were in a car accident in LA yesterday, although neither of them was driving. [E!]
• Paul McCartney would like everyone to know that Stella and his new girlfriend Nancy Shevell get along great. Also, someone hacked into his website recently, although everything's back to normal now. [People, DE]
• Sarah Michelle Gellar and Freddie Prinze Jr. are expecting a child. [NYDN]
Heidi Klum has been in Germany since last weekend, where she's staying with her dad while he recovers from a stroke. [Sun]
• Farrah Fawcett was released from the hospital yesterday. [People]
• Brittny Gastineau and E! host Ben Lyons were spotted making out at an LA club. [L&S]
Gossip Girl producers are supposedly annoyed at Ed Westwick for gaining weight. [NYDN]